Home / 14,960.40-22,422.60-6,190.80

Finding the Fourth Proportional to 14,960.40, 22,422.60 and 6,190.80

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Solution

The fourth proportional to 14,960.40, 22,422.60 and 6,190.80 is: 9,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960.40 : 22,422.60 = 6,190.80 : x
  2. Step 2: Convert to fraction form
    14,960.40/22,422.60 = 6,190.80/x
  3. Step 3: Cross multiply
    14,960.40x = 22,422.60 × 6,190.80
  4. Step 4: Simplify right side
    14,960.40x = 138,813,832.08
  5. Step 5: Solve for x
    x = 138,813,832.08/14,960.40
  6. Step 6: Final answer
    x = 9,278.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.